The following example demonstrates using the createTempFile() method of the File class to create a temporary file:
/*
author by w3cschool.cc
Main.java
*/import java.io.*;public class Main {
public static void main(String[] args)
throws Exception {
File temp = File.createTempFile ("pattern", ".suffix");
temp.deleteOnExit();
BufferedWriter out = new BufferedWriter
(new FileWriter(temp));
out.write("aString");
System.out.println("临时文件已创建:");
out.close();
}}The output result of running the above code is:
临时文件已创建:
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